Notes Payable, Long-Term Debt and Capital Lease Obligations (Additional Information) (Details 3) $ in Millions	3 Months Ended
Nov. 30, 2017 USD ($)
Debt Instrument [Line Items]
Interest rate above federal funds rate	0.50%
Interest rate above one month LIBOR rate	1.00%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility initiation amount	$ 1,800.0
Revolving credit facility maximum borrowing capacity	2,300.0
Unused borrowing capacity under revolving credit facilities, net of letters of credit	2,200.0
Term loan facility [Member]
Debt Instrument [Line Items]
Term loan facility maximum borrowing capacity	$ 500.0
8.250% Senior Notes
Debt Instrument [Line Items]
Senior Notes, stated interest rate	8.25%
5.625% Senior Notes
Debt Instrument [Line Items]
Senior Notes, stated interest rate	5.625%
4.700% Senior Notes
Debt Instrument [Line Items]
Senior Notes, stated interest rate	4.70%
4.900% Senior Notes
Debt Instrument [Line Items]
Senior Notes, stated interest rate	4.90%
Minimum \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate above base rate	0.00%
Interest rate above Eurocurrency rate	0.975%
Interest rate on debt instruments	2.40%
Minimum \| Term loan facility [Member]
Debt Instrument [Line Items]
Interest rate above base rate	0.125%
Interest rate above Eurocurrency rate	1.125%
Interest rate on debt instruments	2.60%
Maximum \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate above base rate	0.575%
Interest rate above Eurocurrency rate	1.575%
Interest rate on debt instruments	4.40%
Maximum \| Term loan facility [Member]
Debt Instrument [Line Items]
Interest rate above base rate	0.875%
Interest rate above Eurocurrency rate	1.875%
Interest rate on debt instruments	2.70%

Incremental interest charged on the credit facility above the Eurocurrency borrowing rate.

No definition available.

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Namespace Prefix:	jbl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage above the federal funds borrowing rate associated with the base rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	jbl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage above one-month London Interbank Offered Rate or "LIBOR" associated with the base rate.

+ References

No definition available.

+ Details

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Namespace Prefix:	jbl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of current borrowing capacity under the term loan facility, but without considering any amounts currently outstanding under the facility.

+ References

No definition available.

+ Details

Name:	jbl_Termloanborrowingcapacity
Namespace Prefix:	jbl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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- Details

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- Details

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- Details

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